from artiq.experiment import * from scipy import signal import numpy class SUServoExample(EnvExperiment): def build(self): self.setattr_device("core") self.suservo = self.get_device("suservo0") self.suschannel0 = self.get_device("suservo0_ch0") @kernel def run(self): self.core.reset() self.core.break_realtime() self.suservo.init() self.suservo.set_pgia_mu(0, 0) # unity gain self.suservo.cplds[0].set_att(0, 15.) self.suschannel0.set_y(profile=0, y=0.) # Clear integrator self.suschannel0.set_iir( profile=0, adc=0, # take data from Sampler channel 0 kp=-1., # -1 P gain ki=0./s, # no integrator gain g=0., # no integrator gain limit delay=0. # no IIR update delay after enabling ) self.suschannel0.set_dds( profile=0, offset=-.3, # 3 V with above PGIA settings frequency=10*MHz, phase=0.) # enable RF, IIR updates and set profile self.suschannel0.set(en_out=1, en_iir=1, profile=0) self.suservo.set_config(enable=1)